1 簡(jiǎn)介

2 部分代碼

function varargout = mygui(varargin)% Begin initialization code - DO NOT EDITgui_Singleton = 1;global im;gui_State = struct('gui_Name', ? ? ? mfilename, ... ? ? ? ? ? ? ? ? ? 'gui_Singleton', ?gui_Singleton, ... ? ? ? ? ? ? ? ? ? 'gui_OpeningFcn', @mygui_OpeningFcn, ... ? ? ? ? ? ? ? ? ? 'gui_OutputFcn', ?@mygui_OutputFcn, ... ? ? ? ? ? ? ? ? ? 'gui_LayoutFcn', ?[] , ... ? ? ? ? ? ? ? ? ? 'gui_Callback', ? []);if nargin && ischar(varargin{1}) ? ?gui_State.gui_Callback = str2func(varargin{1});endif nargout ? ?[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});else ? ?gui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before mygui is made visible.function mygui_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject ? ?handle to figure% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)% varargin ? command line arguments to mygui (see VARARGIN)% Choose default command line output for myguihandles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes mygui wait for user response (see UIRESUME)% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.function varargout = mygui_OutputFcn(hObject, eventdata, handles) % varargout ?cell array for returning output args (see VARARGOUT);% hObject ? ?handle to figure% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)% Get default command line output from handles structurevarargout{1} = handles.output;% --- Executes on button press in open_pushbutton.function open_pushbutton_Callback(hObject, eventdata, handles)% hObject ? ?handle to open_pushbutton (see GCBO)% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)global im;[filename,pathname]=...uigetfile({'*.*';'*.bmp';'*.tif';'*.png';'*.gif';'*.jpg'},'select picture'); ?%選擇圖片路徑str = [pathname filename]; ?%合成路徑+文件名im = imread(str); ? %讀取圖片axes(handles.axes1); ?%使用第一個(gè)axesimshow(im); ?%顯示圖片title('原圖像');% --- Executes on button press in blpf_pushbutton.function blpf_pushbutton_Callback(hObject, eventdata, handles)% hObject ? ?handle to blpf_pushbutton (see GCBO)% eventdata ?reserved - to be defined in a future version of MATLAB% handles ? ?structure with handles and user data (see GUIDATA)global im;button_state = get(hObject,'Value');if button_state == get(hObject,'Max') ? ? ? ?I0 = im; ? ? ? ?% I0 = imread('beauty.jpg'); ? ? ? ? ?% subplot(2,2,1),imshow(I0);title('原圖'); ? ? ? ?str={'半徑D0大?。?#39;,'階數(shù)n：'}; ? ? ? ? ? ? ? ? ? ? ? ? ? ? %輸入相關(guān)參數(shù)：高斯模板大小、方差、二值化閾值 ? ? ? ?sData=InputDlg(str,'輸入?yún)?shù)',1); ? ? ? ?if ~isempty(sData) ? ? ? ? ? ?d0=str2double(sData(1));%模板大小 ? ? ? ? ? ?n=str2double(sData(2));%次數(shù) ? ? ? ?end ? ? ? ? ? ?I1 = imnoise(I0,'gaussian'); ? ? ? ? %對(duì)原圖像加噪聲% ? ? ? ? subplot(2,2,2),imshow(I1);title('加入噪聲后圖像') ? ? ? ? %將灰度圖像的二維不連續(xù)Fourier 變換的零頻率成分移到頻譜的中心 ? ? ? ?s=fftshift(fft2(I1)); ? ? ? ?[M,N]=size(s); ? ? ? ? ? ? ? ? ? ? ?%分別返回s的行數(shù)到M中，列數(shù)到N中 ? ? ? ?n1=floor(M/2); ? ? ? ? ? ? ? ? ? ? ? %對(duì)M/2進(jìn)行取整

3 仿真結(jié)果

4 參考文獻(xiàn)

[1]洪華慶. 基于計(jì)算機(jī)視覺的米粒質(zhì)量檢測(cè)系統(tǒng)[D]. 浙江工商大學(xué).

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